"Wise son is joy to his father and the business is sad for her mother, " It is a quote from the Proverbs of Solomon of the old testament of the Bible that is poorly transcribed. The correct quotation is " wise son is joy to his father and the foolish son is sad for her mother, " Another translation is: " wise son brings joy to his father, and the foolish son despises her mother " PR 10, 1.